Pieces of debris coming from a famous comet are expected to appear fast as they leave glowing trails across the sky early ...

On Sunday, May 4, the Eta Aquarid meteor shower is expected to leave glowing streaks in Earth’s atmosphere, according to the ...

The Eta Aquarid meteor shower, one of the most striking annual celestial events, is expected to peak in May, offering ...

NEW YORK — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun ... The newest ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

Known for their speed, the Eta Aquarids are icy, rocky debris that’s been shed from the nucleus of Halley’s Comet each time ...

Thirty-five years ago today a revolutionary new era of astronomy began when the Hubble Space Telescope, tucked onboard the ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

The planet, recently renamed BD+05 4868 Ab, is losing its outer layer piece by piece, with a comet-like trail of dust left ...

This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...